The first in Greubel Forsey's Invention Pieces series, showcasing the Double Tourbillon 30° mechanism with a new movement architecture. Features red and blue triangles indicating time under a large polished tourbillon bridge, with small seconds and power reserve displays. The case measures 43.5 x 16.6mm. Limited to 11 pieces each in red gold, white gold, and platinum. Awarded the 2007 Revolution magazine prize for 'Grand Complication Watch'. Co-founder Robert Greubel's daily wearer and Stephen Forsey's favorite watch.
Movement Type
Manual Wind
Jewel Count
43 jewels
Power Reserve
72h
Frequency
21,600 vph (6 Hz)
Diameter
34mm
Height
16.6mm
Display Type
Analog
Winding
two mainspring barrels
BRAND
Greubel ForseyTYPE
Manual WindSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
2007CALIBER FAMILY
Invention PiecesCOUNTRY
SwitzerlandALSO KNOWN AS
